heterocyclic

Azole: a class of organic compounds having a five-membered heterocyclic ring with two double bonds.

氮杂茂: 一种由五种杂环元素,两组粘合剂组成的有机化合物.

Morphine: Heterocyclic compound, narcotic analgesic alkaloid originally isolated from opium.

吗啡: 杂环化合物, 从鸦片分离出的麻醉性镇痛药镇痛药生物碱.

Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.

合成了无硫、磷的六元含氮杂环化合物添加剂.

HH-3 S is a heterocyclic compound, transparent acidic fluid.

HH-3S是一种杂环化合物 、 透明酸性液体.

Many constituents are mutagens and carcinogenic such as alkenes, nitrosamines, polynuclear aromatic and heterocyclic hydrocarbons, amines.

烟草的很多成分都会引起有机体突变以及致癌,如烯烃化合物, 亚硝胺, 多核芳香烃以及多环碳氢化合物和铵.

This paper describes the applications and the synthetic method of heterocyclic compounds Imidazolidone and Imidazolethione.

介绍了杂环化合物咪唑酮和咪唑硫酮类化合物的应用及合成方法.

We have, therefore , in both of the examples above, heterocyclic compounds with " built-in " or latent functionality.

上述两例中的杂环化合物,都具有 “ 固有的 ” 或潜在的官能基.

The progresses in five-membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.

综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用.

In this paper , two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction.

采用相转移催化反应合成了两个不饱和脂环氮杂冠醚.

New , sterically demanding 1, 3-dialkylimidazolinium salts used as N-heterocyclic carbene precursors were synthesized and characterized.

合成并表征了一种新型的有空间需求的N - 杂环卡宾前驱体1, 3- 二烷基咪唑啉盐.